Keto-Friendly Pound Cake Muffins

Name: Keto-Friendly Pound Cake Muffins
Yield: 6
Cuisine: American
Ingredients: Cooking spray; 2 Tbsp grass-fed butter; ½ cup erythritol, powdered; 2 oz cream cheese; 2 large eggs; ¾ cup almond flour; 1 tsp vanilla extract; ¼ tsp salt; 1 tsp baking powder